In 1.8.1 pre3 it's even worse; before it happened on Render Distance 19+, now 13+.
I think the -64 thing fixed it for me, thanks 🙂
Confirmed for 1.8 pre1 using a AMD Radeon HD 7770
MrCreativeName
In 1.8.1 pre3 it's even worse; before it happened on Render Distance 19+, now 13+.